请判断反身代词在下列句子中充当什么成分?

请判断反身代词在下列句子中充当什么成分?
请判断反身代词在下列句子中充当什么成分
1.She hurt herself.
herself
2.The old man can't look after himself.
himself
3.I clean the room myself.
myself
4.The workers made the machine themselves.
themselves
5.Tucy herself will tell you the news.
herself
6.The children enjoyed themselves near the river.
themselves
(我将给予悬赏分,＋20)